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  • Eccentric Elastic Sealing Butterfly Valve
  • Eccentric Elastic Sealing Butterfly Valve
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    Eccentric Elastic Sealing Butterfly Valve

    Size Range: 3~48"(DN80~DN1200)

    Pressure: PN2.5/PN6/PN10/PN16/PN25 / 150LB

    Body Materials: Cast Iron, Ductile Iron, WCB , Stainless Steel

    Seat Materials: NBR, EPDM,PTFE

    Disc Materials: DI/WCB/CF8/CF8M

    Stem Materials: SS416, SS304, SS316

    End Connection: Double flanged

    Operate: Manual, Worm gear, Pneumatic, Electric-Motorized

    Types of seat:Seat on the body /Seat on the disc /T-shaped seat


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    Tel: +86-13849184495
    Fax: +86-371-55883235
    E-mail: weisidun@wsdvalve.com
    Address: ZhengZhou,HeNan,China.

    What is a eccentric elastic sealing butterfly valve?

    Double eccentric butterfly valve disc periphery and sealing valve seat are processed into semi-spherical, by the outer sphere of the disc extrusion sealing valve seat inner sphere elastic deformation to achieve the purpose of closing. Double eccentric butterfly valves usually use tetrafluoroethylene materials as their sealing seats, and metal sealing valve seats can also be used to expand its application in the high temperature field. However, the sealing of the double eccentric butterfly valve of the metal seal valve is still a position sealing structure, that is the seal of the disc and the seat is connected as a line. It can not withstand high pressure, application in the high pressure system will inevitably lead to large leakage. Therefore, in the high pressure or strict system that must be cut off, you should try to avoid the use of double eccentric butterfly valves of the metal seal valve.

    Advantages of the eccentric elastic sealing butterfly valve:
    1.”U” sealing ring
    Using “U” stainless steel sealing ring, the seat has a certain elasticity. In the case of high temperature and low temperature, it has excellent sealing with the disc.
    2.Easy to disassemble
    Elastic metal hard seal butterfly valve has a simple structure, compact, light weight, easy to install and disassemble. It is also convenient to maintain.
    3.0 leakage
    The “U” sealing ring has a long service life, and the valve has a tighter automatic sealing function. The sealing surface between the compensatory is zero leakage.
    4.Suitable for all kinds of media
    The material of replacement parts can be applied to various media and can be used for anti-corrosion lining (lining F46, GXPP, PO, etc.).
    5.Elastic sealing
    The elastic sealing butterfly valve has a unique structure, and the “switch” only needs to turn the stem 90°to complete. The operation is flexible, convenient, labor-saving, and not affected by the pressure of the medium, and the sealing performance is reliable.

    WESDOM  advantages

    1. WESDOM patent products, patent certification
    The product side flanges comply with national, German, Russian, American, British and Japanese standards and other domestic and international standards for multiple pressures, easy connection and wide adaptability, which can reduce the type of purchase and stock.

    2. The product has an independent identity to ensure traceability
    Each wesdom product has its own unique identification number, to ensure product traceability.

    3. Provide material inspection report
    All wesdom products can provide the material inspection report of the main parts.

    4. One-stop service
    One-stop service, we not only supply high quality products, also supply solutions and after-sales service.

    5. WESDOM has a lot of project experience
    We have a lot of project experience in countries such as Pakistan and the Philippines, WESDOM has always been noticed all over the world, and trust comes from quality.

    Quality control process

    quality control process quality control process quality control process

    Parameters

    Eccentric Elastic Sealing Butterfly Valve

     

    DN L D D1 D2 b f H Z-Ød
    80 180±2 200 160 132 22 3 220 8-19
    100 190±2 220 180 156 24 3 239.5 8-19
    125 200±2 250 210 184 26 3 290 8-19
    150 210±2 285 240 211 26 3 302 8-23
    200 230±2 340 295 266 28 3 353 8-23
    250 250±2 390 350 319 28 3 407 12-23
    300 270±2 445 400 370 28 4 466 12-23
    350 290±2 505 460 429 30 4 510 16-23
    400 310±2 565 515 480 32 4 548 16-28
    450 330±2 615 565 530 32 4 573 20-28
    500 350±2 670 620 582 34 4 646 20-28
    600 390±2 780 725 682 40 5 688 24-31
    700 430±2 895 840 794 40 5 865 24-31
    800 470±2 895 840 794 40 5 950 24-31
    900 510±2 895 840 794 40 5 1050 24-31
    1000 550±2 1230 1160 1112 50 5 1120 28-37

     

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